Need HELP :Solid DataBase Connection

Hi I am trying to connect to a solid database (openview database).i made an excel addin that uses the following connection string ==> " ODBC;DSN=ovdbrun;UID=ovdb;PWD=ovdb " it is working fine (the addin) but when i tried to use the same connection string in a c# program i am developing this error appeared ==> " {"ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified"} " i then tryed using this connection string ==> " Provider=MSDASQL.1;Password=ovdb;Persist Security Info=True;User ID=ovdb;Data Source=ovdbrun " the same error appeared